Crutch, has arm rest with outside surface formed by triangles with claws

摘要

The outside surface of the arm rest (2) is formed by three triangles (4) with claws on top. The total number of claws is four and they have a very rough surface. The crutch comprises a metal or carbon stick (1) with a shaped rubber or plastic arm rest having a sawtooth or tooth profile (3) around its outer periphery, the tips of the teeth being pointed or rounded.